Javascript

< 1 min read To parse a JSON string in Node.js, you can use the JSON.parse() function. This function takes a JSON string as an argument and returns …

2 min read To create a directory in Node.js, you can use the fs (file system) module and the fs.mkdir() function. This function takes a path and …

< 1 min read When installing a package using npm (the package manager for Node.js), you can use the –save flag to add the package to your project’s …

< 1 min read To Base64-encode a string in Node.js, you can use the Buffer class and its .toString() method. Here’s an example: You can also use the …

< 1 min read To uninstall an npm module in Node.js, you can use the uninstall command of the npm CLI (Command Line Interface). The uninstall command takes …

< 1 min read To read environment variables in Node.js, you can use the process.env object. The process.env object contains a property for each of the environment variables …

< 1 min read To get the GET query parameters in an Express.js server, you can use the query property of the request object. Here’s an example of …

< 1 min read module.exports is a special object in Node.js that is used to expose objects, functions, or variables to the module system. It allows you to …

< 1 min read The process.argv property returns an array containing the command-line arguments passed when the Node.js process was launched. The first element will be process.execPath. See …

< 1 min read The –save option for npm install is used to save the installed package as a dependency in the package.json file of the project. By …